Computer
Principles of database and knowledge-base systems, Vol. I
Principles of database and knowledge-base systems, Vol. I
Extending the relational algebra to capture complex objects
VLDB '89 Proceedings of the 15th international conference on Very large data bases
The magic of duplicates and aggregates
Proceedings of the sixteenth international conference on Very large databases
On rules, procedure, caching and views in data base systems
SIGMOD '90 Proceedings of the 1990 ACM SIGMOD international conference on Management of data
Telos: representing knowledge about information systems
ACM Transactions on Information Systems (TOIS)
Querying object-oriented databases
SIGMOD '92 Proceedings of the 1992 ACM SIGMOD international conference on Management of data
Maintaining views incrementally
SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
Persistence software: bridging object-oriented programming and relational databases
SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
Composite-object views in relational DBMS: an implementation perspective
Information Systems - Special issue on extending database technology
ConceptBase—a deductive object base for meta data management
Journal of Intelligent Information Systems - Special issue: deductive and object-oriented databases
View maintenance in a warehousing environment
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Efficient maintenance of materialized mediated views
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
A framework for supporting data integration using the materialized and virtual approaches
SIGMOD '96 Proceedings of the 1996 ACM SIGMOD international conference on Management of data
A toolkit for negotiation support interfaces to multi-dimensional data
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
A Mediator for Approximate Consistency: Supporting “GoodEnough” Materialized Views
Journal of Intelligent Information Systems
Efficiently monitoring relational databases
ACM Transactions on Database Systems (TODS)
Cost-based query optimization for metadata repositories
ACM SIGAPP Applied Computing Review
Implementation of integrity constraints and views by query modification
SIGMOD '75 Proceedings of the 1975 ACM SIGMOD international conference on Management of data
Principles of Database and Knowledge-Base Systems: Volume II: The New Technologies
Principles of Database and Knowledge-Base Systems: Volume II: The New Technologies
Outer Joins and Filters for Instantiating Objects from Relational Databases Through Views
IEEE Transactions on Knowledge and Data Engineering
A C++ Binding for Penguin: a System for Data Sharing among Heterogeneous Object Models
FODO '93 Proceedings of the 4th International Conference on Foundations of Data Organization and Algorithms
Deriving Production Rules for Incremental View Maintenance
VLDB '91 Proceedings of the 17th International Conference on Very Large Data Bases
Improving Performance in Replicated Databases through Relaxed Coherency
VLDB '95 Proceedings of the 21th International Conference on Very Large Data Bases
Incremental Maintenance of Externally Materialized Views
VLDB '96 Proceedings of the 22th International Conference on Very Large Data Bases
A Generic Subsumption Testing Toolkit for Knowledge Based Queries
DEXA '96 Proceedings of the 7th International Conference on Database and Expert Systems Applications
PRIMA - a DBMS Prototype Supporting Engineering Applications
VLDB '87 Proceedings of the 13th International Conference on Very Large Data Bases
A predicate-based caching scheme for client-server database architectures
The VLDB Journal — The International Journal on Very Large Data Bases
Metadata and Cooperative Knowledge Management
CAiSE '02 Proceedings of the 14th International Conference on Advanced Information Systems Engineering
Metamodelling with datalog and classes: conceptbase at the age of 21
ICOODB'09 Proceedings of the Second international conference on Object databases
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“Intelligent” behavior of database and knowledge base management systems is often seen restricted to comfortable support for query answering (including limited forms of reasoning) and navigating within the stored data. However, active notification for clients about changes in the database is an important requirement for advanced interaction between the database and its client applications. These usually hold (derived) subsets of the database contents under their control. The incremental maintenance of such externally materialized views is an important open problem. In addition to some necessary changes in the known view maintenance procedures the issue of translating updates through an API and a way for clients to accept such updates have to be defined. We describe the main features of a solution to this problem implemented in the knowledge base server ConceptBase.